The temperature on March 25, 1890 was about 8.0 °C. There was 5 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 25 » Nellie Bly completes her round-the-world journey in 72 days.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 1 » Canada and Bermuda are linked by telegraph cable.
September 25 » The United States Congress establishes Sequoia National Park.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage April 29, 1916
The temperature on April 29, 1916 was between 9.3 °C and 20.8 °C and averaged 15.5 °C. There was 12.9 hours of sunshine (87%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 12 » Both Oswald Boelcke and Max Immelmann, for achieving eight aerial victories each over Allied aircraft, receive the German Empire's highest military award, the Pour le Mérite as the first German aviators to earn it.
March 15 » United States President Woodrow Wilson sends 4,800 United States troops over the U.S.–Mexico border to pursue Pancho Villa.
July 7 » The New Zealand Labour Party was founded in Wellington.
July 22 » Preparedness Day Bombing: In San Francisco, a bomb explodes on Market Street during a parade, killing ten and injuring 40.
November 13 » World War I: Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.
December 30 » The last coronation in Hungary is performed for King Charles IV and Queen Zita.
Day of death July 30, 1971
The temperature on July 30, 1971 was between 14.1 °C and 24.7 °C and averaged 18.2 °C. There was 11.7 hours of sunshine (75%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
February 9 » The 6.5–6.7 Mw Sylmar earthquake hits the Greater Los Angeles Area with a maximum Mercalli intensity of XI (Extreme), killing 64 and injuring 2,000.
February 21 » The Convention on Psychotropic Substances is signed at Vienna.
April 5 » In Sri Lanka, Janatha Vimukthi Peramuna launches a revolt against the United Front government of Sirimavo Bandaranaike.
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
December 4 » The Indian Navy attacks the Pakistan Navy and Karachi.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I75334.php : accessed February 16, 2026), "Aaltje Koops (1890-1971)".
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